Skip to main content

AAVSO International Database

Title Posted Bysort icon Updated/commented date Type
Alert Notice 294: 0538-71 Nova in the Large Magellanic Cloud AND 0507-15 Supernova 2002bj in NGC 1821 (Lepus) AND 0324+43 GK Persei in outburst - request to monitor weo 12 weeks 6 days ago Page
Special Notice #349: HST/COS Observations CANCELLED for SDSS J154453.60+255348.8 weo 50 weeks 20 hours ago Page
Alert Notice 230: 1343+61 Supernova 1996bk in NGC 5308 AND Fading of 0059+53 Nova Cas 1995 AND 2138+43 SS Cygni in outburst and under observation by RXTE and EUVE AND 0207-63 WX Hydri and 2138+43 SS Cygni observed with Hubble Space Telescope [V723 Cas] weo 12 weeks 6 days ago Page
Alert Notice 383: Nova Scorpii 2008 weo 23 weeks 4 days ago Page
Alert Notice 450: Request for observations of SDSS J080434.20+510349.2‭ ‬in support of HST observations weo 2 years 24 weeks ago Page
Alert Notice 325: 1955+22C Var Vul 05 - New variable near M27 weo 22 weeks 4 days ago Page
Special Notice #308: Observations crucial starting tonight for FL Psc (ASAS J002511+1217.2) weo 1 year 22 weeks ago Page
Alert Notice 263: 0436-03 Supernova 1999em in NGC 1637 weo 12 weeks 6 days ago Page
Alert Notice 486: Spectroscopy and photometry campaign on three bright Wolf Rayet stars weo 41 weeks 6 days ago Page
Alert Notice 213: 0059+53 Nova Cassiopeiae 1995 [V723 Cas] weo 12 weeks 6 days ago Page
Alert Notice 370: GJ 436 Extrasolar Planet Transit Campaign weo 23 weeks 1 day ago Page
Special Notice #271: Correction to AAVSO Special Notice #270 weo 2 years 2 weeks ago Page
AAVSO Alert Notice 311: 0505-68 YY Dor - Possible recurrent nova AND 2247-14 IL Aqr - Exoplanet transit campaign weo 22 weeks 1 day ago Page
Special Notice #322: CU Vel is next HST COS target weo 1 year 13 weeks ago Page
Alert Notice 280: 1748-26 Nova Sagittarii 2001 [V4643 Sgr] weo 12 weeks 6 days ago Page
Alert Notice 420: Nova in Sagittarius (V5586 Sgr = Nova Sgr 2010 No. 2) weo 36 weeks 22 hours ago Page
AAVSO Alert Notice 430 weo 3 years 13 weeks ago Page
Alert Notice 491: V556 Serpentis = Nova Ser 2013 = PNV J18090346-1112345 weo 12 weeks 6 days ago Page
Observing Campaign: Request to monitor PQ Andromedae for HST observations weo 23 weeks 22 hours ago Page
Alert Notice 459: Monitoring of RU Peg requested for Swift observations weo 1 year 44 weeks ago Page
Alert Notice 140: Nova Centauri 1991 AND Nova Herculis 1991 weo 22 weeks 21 hours ago Page
Special Notice #337: Bright transient near the galaxy NGC 5643 (Lupus) weo 1 year 8 weeks ago Page
Alert Notice 246: 1151+55 Supernova 1998aq in NGC 3982 weo 12 weeks 6 days ago Page
Alert Notice 400: Nova Sagittarii 2009 Number 3 weo 23 weeks 6 days ago Page
Alert Notice 186: Bright outburst of UV Per AND Nova Sgr 1994 Number 2 [V4362 Sgr] AND Nova Cas 1993 [V705 Cas] AND Superoutburst of VW Hyi AND Reminder on SS Cyg weo 12 weeks 6 days ago Page
Alert Notice 340: Request to monitor 1744-06 RS Ophiuchi for multiwavelength campaign AND Correction weo 22 weeks 5 days ago Page
Alert Notice 297: 1855-22 Nova Sagittarii 2002 No. 3 - Another nova in Sagittarius weo 21 weeks 5 days ago Page
Special Notice #346: RZ Leo observations critical now for HST/COS and IU Leo next target weo 1 year 1 week ago Page
Alert Notice 233: Rare outburst of 0837+28 EG Cancri AND Request to monitor several R Coronae Borealis stars weo 12 weeks 6 days ago Page
Alert Notice 386: Low state of VY Scl weo 23 weeks 4 days ago Page
Special Notice 257: Reminder to observe V455 And for HST observations weo 2 years 29 weeks ago Page
Alert Notice 500: Novae in Scorpius and Cygnus weo 2 weeks 1 hour ago Page
Alert Notice 328: V477 Scuti = Nova Scuti 2005 Number 2 - Nova in Scutum weo 22 weeks 5 days ago Page
Alert Notice 473: T Tauri stars observing campaign weo 1 year 22 weeks ago Page
Alert Notice 266: 0939-20 Supernova 1999gh in NGC 2986 AND 1058+45 AN Ursae Majoris to be observed with EUVE satellite weo 12 weeks 6 days ago Page
Alert Notice 485: AG Dra monitoring requested for multiwavelength campaign weo 37 weeks 5 days ago Page
Alert Notice 216: 0945+34 Supernova 1995al in NGC 3021 AND Fading of 1544+28a R Coronae Borealis continues AND Fading of 1510+82 Z Ursae Minoris weo 12 weeks 6 days ago Page
Alert Notice 373: Support for XMM-Newton Observations of SS Aurigae weo 23 weeks 1 day ago Page
Special Notice #268: Chandra observations scheduled for CH Cyg and monitoring urgently needed weo 2 years 1 week ago Page
Alert Notice 312: Apparent nova in Puppis - 0737-26 N Pup 04 AND Request to monitor 0749+22 U Geminorum weo 22 weeks 1 day ago Page
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484